Colloid and Polymer Science

, Volume 296, Issue 5, pp 907–915 | Cite as

Electrorheological response of microporous covalent triazine-based polymeric particles

  • Yu Zhen Dong
  • Seung Hyuk Kwon
  • Hyoung Jin Choi
  • Pillaiyar Puthiaraj
  • Wha-Seung Ahn
Original Contribution


Microporous covalent triazine-based polymer (MCTP) particles were synthesized via a Friedel–Crafts reaction catalyzed by AlCl3, and their morphology and textural properties were confirmed by scanning electron microscopy and N2 adsorption isotherms, respectively. Electrorheological (ER) behavior of the MCTP particle-based ER fluid dispersed in silicone oil at a volume fraction of 5% was examined using a rotational rheometer to examine its viscoelastic properties such as shear stress, shear viscosity, yield stress, and dynamic moduli. Typical ER characteristics showed an increase with increased applied electric field strength following a polarization mechanism with the slope of 2 of the electric field-dependent yield stress, highlighting MCTP as a potential ER material. The dielectric spectra were also correlated with its ER effects using an LCR meter.


Microporous Triazine Polymer Electrorheological 



This work was supported by both Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (Grant number: NRF-2015R1A4A1042434: W.S. Ahn) and National Research Foundation, Korea (2016R1A2B4008438: H.J. Choi).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Polymer Science and EngineeringInha UniversityIncheonSouth Korea
  2. 2.Department of Chemical EngineeringInha UniversityIncheonSouth Korea

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